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Finding the Fourth Proportional to 264,612.80, 365,157.24 and 151,433.12

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Solution

The fourth proportional to 264,612.80, 365,157.24 and 151,433.12 is: 208,972.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,612.80 : 365,157.24 = 151,433.12 : x
  2. Step 2: Convert to fraction form
    264,612.80/365,157.24 = 151,433.12/x
  3. Step 3: Cross multiply
    264,612.80x = 365,157.24 × 151,433.12
  4. Step 4: Simplify right side
    264,612.80x = 55,296,900,143.79
  5. Step 5: Solve for x
    x = 55,296,900,143.79/264,612.80
  6. Step 6: Final answer
    x = 208,972.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.